metal tube meaning in English

金属管
金属壳电子管

Metal tube heater for refrigerator and exposing cabinet
冰箱展示柜用管状加热器
Metal tube heater for industry or other daily used
工业用加热管及其它日用加热管
Metal tube heater for electric stove and microwave oven
电烤箱微波炉用管状加热器
Ventilation equipment ; joints for metal tubes and fittings
通风设备.金属管件和管接头的连接
Simulation and experiment on horizontal metal tube rotameter
水平式金属管浮子流量计的仿真与实验

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